Soft shackles can be used for dozens of applications on your boat and elsewhere. Excellent replacement for steel shackles, soft shackles are stronger, lighter, and won't damage paint or gelcoat. Use them as halyard shackles or to attach sheets to sails. Constructed from 5mm Dyneema SK-78 fiber, Northern Rigging soft shackles have an approximate breaking strength of 7,000lbs. Shackle closed diameter is approximately 2 inches, other sizes are available.